ADM1021A: System Temperature Sensor
The ADM1021A is a two-channel digital thermometer and undertemperature/overtemperature alarm, intended for use in personal computers and other systems requiring thermal monitoring and management.
Features- On-chip and remote temperature sensing
- No calibration necessary
- 1°C accuracy for on-chip sensor
- 3°C accuracy for remote sensor
- Programmable overtemperature / undertemperature limits
- Programmable conversion rate
- 2-wire SMBus serial interface
- Supports system management bus (SMBus) alert
- 200 µA max operating current
- 1 µA standby current
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Applications | End Products- Notebook and Desktop Computers
- Game Consoles
- RFID Readers
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Data Sheets (1)
Package Drawings (1)
| Document Title | Document ID/Size | Revision |
|---|
| QSOP-16 | 492-01 (58.5kB) | A |
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| ADM1021AARQZ | Last Shipments | Pb-free
Halide free | QSOP-16 | 492-01 | 1 | Tube | 98 | |
| ADM1021AARQZ-R | Active | Pb-free
Halide free | QSOP-16 | 492-01 | 1 | Tape and Reel | 2500 | $3.5332 |
| ADM1021AARQZ-R7 | Last Shipments | Pb-free
Halide free | QSOP-16 | 492-01 | 1 | Tape and Reel | 1000 | |
| ADM1021ARQ | Last Shipments | | QSOP-16 | 492-01 | 1 | Tube | 98 | |
| ADM1021ARQ-REEL | Last Shipments | | QSOP-16 | 492-01 | 1 | Tape and Reel | 2500 | |
| ADM1021ARQ-REEL7 | Last Shipments | | QSOP-16 | 492-01 | 1 | Tape and Reel | 1000 | |
Specifications
| Product | Sensor Type | Data Transmission Standard | ICC Max (mA) | VCC Min (V) | VCC Max (V) | T Min (°C) | T Max (°C) | Temperature Error (°C) |
|---|
| ADM1021AARQZ-R | Local & Remote | SMBus | 0.2 | 3 | 5.5 | -55 | 125 | ±3 |
